Go in to the "Phonebook" section and create a contact. After that click on the contact just created and check that the star used to put the contact in the Speed Dial section will not be present.
Create a new Speed Dial contact using the appropriate section located on the right side of the page.
Check that if you start to digit on the input box a name of a contact that already exist in the phonebook it must appears in the popup up the input box.
Also check that if you click on the popup, the two input below the input box will be filled in automatically with the name and number of the selected user.
After the creation of the Speed Dial try the edit button, and also try to make a call at the selected user.